11122233444
domain: N
Appears in sequences
- Squares, not ending in zero, in which all the digits occur in groups of 2 or more.at n=2A079035
- Squares in which the neighboring digits differ at most by 1. Neighbors of 1 are 0 and 2, neighbors of 0 are 1 and 9.at n=24A087553
- Powerful numbers (A001694) made of nontrivial runs of identical digits.at n=21A116064